AoPS Online vs BrainTrail
| AoPS Online | BrainTrail | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | $895/mo | Free |
| Open source | No | No |
| Platforms | Web | Web |
| Adaptive learning | Yes | Yes |
| Guided lessons | Yes | — |
| Parent reporting | Yes | Yes |
| Supported platforms | web | web |
| Free plan | — | Yes |
| Gamified practice | — | Yes |
Both are listed in Best Math Learning Apps. On Freedom251, BrainTrail scores higher on our published basis.